Quiz

Abstract Class Quiz

joannazhang13 9 Fragen 5,0 (1 Bewertung)

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Fragen in diesem Quiz (9)

1An abstract class is a superclass
1. ARichtig
2. BFalsch
2An abstract class can be instantiated
1. ARichtig
2. BFalsch
3Abstract methods are not implemented.
1. ARichtig
2. BFalsch
4A concrete class can contain abstract methods.
1. ARichtig
2. BFalsch
5An abstract class is declared with keyword abstract.
1. ARichtig
2. BFalsch
6A subclass will always be concrete even it if doesn't implement all of the abstract methods of its superclass.
1. ARichtig
2. BFalsch
7An abstract class can have instance variables.
1. ARichtig
2. BFalsch
8An abstract class can have no abstract methods.
1. ARichtig
2. BFalsch
9An abstract class cannot have concrete methods.
1. ARichtig
2. BFalsch